Hybrid mulberry seed cultivation garden cultivation management technology

I. Mulberry land selection

General soil can be planted. However, the choice of loose, fertile, energy-reserving, and sandy sandy loam is the most important prerequisite for rapid, high-yield and stable production.

Second, site preparation, adequate base fertilizer

30 days before planting, the soil must be ploughed deeply; for each plant, 5kg, that is, 3000kg of pig manure per mu (or pure chicken manure) should be enough for base fertilizer, plus 5% (150kg per mu) of calcium magnesium phosphate fertilizer should be used after 7-10 days; In the first 3-5 days, soil was planted in rows of 1.3m deep and 0.3m deep.

Third, planting parents

1. Density of planting: Plant spacing is 0.85 meters, spacing is 1.3 meters, and 600 acres are planted.

2. Parental and Parental Collocations: Parental: Parental = 1:10-15

3. Parental arrangement principle: a. The distance between the parent and the father must be controlled within 5 meters. b. There is a character arrangement between the father and the father.

4, the arrangement of the parent and the mother:

Line 1: All species of female parent.

Line 2: 1st and 2nd female parents; 3rd male parent; 4-8th (5th total) female parents; 9th male parent; after every 5 female parents 1 The parent.

Lines 3 and 4: All female parents.

Row 5: 1st female parent; 2nd male parent; 3-5th (3 total) female parent; 6th male parent; 7-11 (5 total) Female; in the future, every 5 female parent species 1 male parent.

Lines 6 and 7: All female parent.

Line 8: Same as line 2.

Lines 9 and 10: All female parents.

And so on

5, planting methods:

a. 1-3 days before planting, spread a good base fertilizer evenly into the planting ditch, and then press 100 kg of Russian chlorine per acre (N:P:K=16-16-16). Compound fertilizer is evenly spread into the planting ditch. Mix the soil with base fertilizer and compound fertilizer, then cover the soil.

b. Plant the seedlings according to the arrangement of the parent and the female. Note: (a) In order to promote the rapid growth of the roots, use 25 ppm of ABT No. 3 rooting powder plus carbendazim (500 times) before rooting. (b) The roots of seedlings must not be directly contacted with base fertilizer or compound fertilizer, and they must be separated by 3-5 cm to avoid burning roots. (c) The depth of the cover soil should be 2-3 cm above the rhizome (green-yellow junction). (d) To compact the roots and straighten the main pole. (e) Pouring enough water on the day. (f) In order to maintain the moisture, cover the straw or cover it with dry soil according to the climate at the time.

Fourth, management points

1. Increase the amount of shoots in the current year: a. Fixed rod: 7-10 cm above the grafting site after the colonization. b, leaving the first layer of branching: after germination, when the branches grow to about 10 cm, leave 2-3 branches for the first layer of branches. c, leaving the first 2-4 layer branches: Whenever the branches grow to 20-30 centimeters when the top, after the shoots grow to about 10 centimeters when leaving two branches for the second, third and fourth layer branches.

2. Guarantee water and fertilizer supply:

a. In addition to the plantar fat, pay attention to the topdressing during growth, during the germination period of the second, third and fourth layers, topdressing 30 kg, 50 kg, and 100 kg of Russian chlorine per acre (N:P:K). =16-16-16) Compound fertilizer.

b. After the garden is completed, in late January to early February of each year, Russia will use chlorine (N:P:K=16-16-16) compound fertilizer 80-120 kg per acre; in the middle of April, pig manure will be applied per mu after cutting. Or chicken manure 2000-3000 pounds, compound fertilizer 150-200 pounds.

c. During the growing period (from 2 to 10 months), it is necessary to keep the soil moisture at all times. It is better to have sprinkler irrigation and drip irrigation equipment.

d, to prevent the accumulation of water in the soil: open the drainage ditch around the middle and the line between the row and the drainage ditch to prevent rain and water.

3, pest control:

a. Observe the growth condition on a daily basis, early detection of pests and diseases, and timely prevention and treatment; general pests can be controlled by the use of internal absorption, stomach poisoning, contact killing insecticides (such as dimethoate, cypermethrin, phoxim, etc.); Bacillin, thiophanate can.

b. It is best to spray insecticides every 15-20 days after germination and prevent insects from occurring.

4, weeding, impurity removal:

a. Remove weeds in time: According to the situation, manual weeding or chemical weeding can be used. Monocotyledonous weeds can be sprayed and covered with grass (this medicine is safe for mulberry trees); special herbicides for mulberry field can be used to eliminate single and dicotyledonous weeds. higher cost.

b, timely removal of miscellaneous branches: In order to ensure the purity of species, we must cut off the miscellaneous branches below the graft interface.

5, promote flower points:

a. There is no top-dressing and irrigation after November of each year. Proper drought is conducive to flowering.

b. Do not apply single nitrogen fertilizer; apply P and K fertilizers.

c. After the shoots grow to the target height, spray multiple-effect seats, kiosin, etc.

Fourth, mulberry seed

1, timely harvested mulberry fruit: mulberry fruit should be harvested in purple and black.

2. Press the mulberry fruit: Put the mulberry fruit into the bag, then press it with your feet to separate the mulberry seeds from the flesh and peel.

3. Rinse: Place the pressed mulberry fruit on the sieve, then place it in a pot and rinse it repeatedly with water to obtain clean and impurity-free mulberry seeds.

4. Dry seeds: First dehydrate the mulberry seeds on the dehydrator and then dry them in a dry seed box (Note: It is forbidden to expose in the hot sun).

5. Bagging: The dried mulberry seeds are quantitatively put into cloth bags and placed under low-temperature conditions (0 --- -1 °C) to be kept for sale.

6, mechanical processing: For a certain size (20 acres or more) growers, should consider the use of mechanical pressing, rinsing process, and recovery of mulberry juice (Mulberry juice is a high-level beverage), this can not only reduce the cost of mulberry press, rinse , It can also bring 1000 yuan per mu income!

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